porting: Add log_common files; modlog relies on them

porting/nimble/include/log_common/ignore.h

@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef H_IGNORE_
+#define H_IGNORE_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * These macros prevent the "set but not used" warnings for log writes below
+ * the log level.
+ */
+
+#define IGN_1(X) ((void)(X))
+#define IGN_2(X, ...) ((void)(X));IGN_1(__VA_ARGS__)
+#define IGN_3(X, ...) ((void)(X));IGN_2(__VA_ARGS__)
+#define IGN_4(X, ...) ((void)(X));IGN_3(__VA_ARGS__)
+#define IGN_5(X, ...) ((void)(X));IGN_4(__VA_ARGS__)
+#define IGN_6(X, ...) ((void)(X));IGN_5(__VA_ARGS__)
+#define IGN_7(X, ...) ((void)(X));IGN_6(__VA_ARGS__)
+#define IGN_8(X, ...) ((void)(X));IGN_7(__VA_ARGS__)
+#define IGN_9(X, ...) ((void)(X));IGN_8(__VA_ARGS__)
+#define IGN_10(X, ...) ((void)(X));IGN_9(__VA_ARGS__)
+#define IGN_11(X, ...) ((void)(X));IGN_10(__VA_ARGS__)
+#define IGN_12(X, ...) ((void)(X));IGN_11(__VA_ARGS__)
+#define IGN_13(X, ...) ((void)(X));IGN_12(__VA_ARGS__)
+#define IGN_14(X, ...) ((void)(X));IGN_13(__VA_ARGS__)
+#define IGN_15(X, ...) ((void)(X));IGN_14(__VA_ARGS__)
+#define IGN_16(X, ...) ((void)(X));IGN_15(__VA_ARGS__)
+#define IGN_17(X, ...) ((void)(X));IGN_16(__VA_ARGS__)
+#define IGN_18(X, ...) ((void)(X));IGN_17(__VA_ARGS__)
+#define IGN_19(X, ...) ((void)(X));IGN_18(__VA_ARGS__)
+#define IGN_20(X, ...) ((void)(X));IGN_19(__VA_ARGS__)
+
+#define GET_MACRO(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, \
+                  _13, _14, _15, _16, _17, _18, _19, _20, NAME, ...) NAME
+#define IGNORE(...) \
+    GET_MACRO(__VA_ARGS__, IGN_20, IGN_19, IGN_18, IGN_17, IGN_16, IGN_15, \
+              IGN_14, IGN_13, IGN_12, IGN_11, IGN_10, IGN_9, IGN_8, IGN_7, \
+              IGN_6, IGN_5, IGN_4, IGN_3, IGN_2, IGN_1)(__VA_ARGS__)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

porting/nimble/include/log_common/log_common.h

@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#ifndef H_LOG_COMMON_
+#define H_LOG_COMMON_
+
+#include "log_common/ignore.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define LOG_LEVEL_DEBUG    (0)
+#define LOG_LEVEL_INFO     (1)
+#define LOG_LEVEL_WARN     (2)
+#define LOG_LEVEL_ERROR    (3)
+#define LOG_LEVEL_CRITICAL (4)
+/* Up to 7 custom log levels. */
+#define LOG_LEVEL_MAX      (15)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif